发明名称 |
Method and system for obtaining traffic sign data using navigation systems |
摘要 |
A method for collecting data for a geographic database is disclosed. Speed and position data are collected using a plurality of mobile computing platforms moving in a geographic region. The speed and position data are analyzed to identify a location of a traffic sign corresponding to a change in the speed. The geographic database is updated to indicate the location of the traffic sign.
|
申请公布号 |
US7433889(B1) |
申请公布日期 |
2008.10.07 |
申请号 |
US20020214216 |
申请日期 |
2002.08.07 |
申请人 |
NAVTEQ NORTH AMERICA, LLC |
发明人 |
BARTON MARK A. |
分类号 |
G06F7/00;G01C21/32;G06F17/00;G06F19/00;G08G1/01;G08G1/123 |
主分类号 |
G06F7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|